2011331121151 has 32 divisors (see below), whose sum is σ = 2222845244928. Its totient is φ = 1804705290240.

The previous prime is 2011331121109. The next prime is 2011331121203. The reversal of 2011331121151 is 1511211331102.

It is a cyclic number.

It is not a de Polignac number, because 2011331121151 - 2³⁵ = 1976971382783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011331191151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051400571 + ... + 1051402483.

It is an arithmetic number, because the mean of its divisors is an integer number (69463913904).

Almost surely, 2^{2011331121151} is an apocalyptic number.

2011331121151 is a deficient number, since it is larger than the sum of its proper divisors (211514123777).

2011331121151 is a wasteful number, since it uses less digits than its factorization.

2011331121151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 2011331121151 its reverse (1511211331102), we get a palindrome (3522542452253).

The spelling of 2011331121151 in words is "two trillion, eleven billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred fifty-one".